Zgjidhja e ushtrimit 4

Gjeni numrin që mungon.

1. $... -\dfrac{2}{5}=\dfrac{4}{7}$
2. $\dfrac{3}{8}+ ... = \dfrac{11}{6}$
3. $2\dfrac{1}{2}- ... = \dfrac{5}{3}$
4. $... -1\dfrac{1}{3}=\dfrac{2}{5}$
5. $... : 2\dfrac{3}{4}=5$
6. $... \times\dfrac{2}{3}=\dfrac{4}{5}$
7. $3\dfrac{4}{5}- ...=2\dfrac{1}{2}$
8. $4\dfrac{1}{3}\times ...=26$